Stull DE, Houghton KF, Gale R, Wiklund I, Capkun-Niggli G, Jones P. Application of innovative methods to identify and characterize differential responders in clinical trials of COPD: the use of mixture models. Poster presented at the 2011 ISPOR 14th Annual European Congress; November 2011. Madrid, Spain. [abstract] Value Health. 2011 Nov; 14(7):A501-2.
Palsgrove A, Houghton KF, Hareendran A, Schaefer M, Setyawan J, Mocarski M, Carson R, Make B. The development of the early morning symptoms of COPD instrument (EMSCI). Poster presented at the 2011 ISPOR 14th Annual European Congress; November 16, 2011. [abstract] Value Health. 2011 Nov; 14(7):A496-7.
Clark M, Hofmann A, Tabberer M, Martin S. Development and content validity of the COPD device preference questionnaire. Poster presented at the 2011 ISPOR 14th Annual European Congress; November 9, 2011. [abstract] Value Health. 2011 Nov; 14(7):A255.
Crawford SR, McKenna SP, Twiss J, Tammaru M, Oprandi NC. Further developments of the Asthma Life Impact Scale (ALIS). Poster presented at the 2011 ISPOR 14th Annual European Congress; November 2011. [abstract] Value Health. 2011 Nov; 14(7):A497. doi: 10.1016/j.jval.2011.08.1440
Crawford SR, McKenna SP, Twiss J, Tammaru M, Oprandi NC. Further developments of the Living with Chronic Obstructive Pulmonary Disease (LCOPD). Poster presented at the 2011 ISPOR 14th Annual European Congress; November 2011. [abstract] Value Health. 2011 Nov; 14(7):A497.
Dalal AA, Nelson L, Gilligan TM, McLeod LD, Lewis SE, DeMuro C. Measurement comparability between paper and alternate versions: recommended assessment steps using the lung function questionnaire as an example. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 25, 2011. [abstract] Value Health. 2011 May; 14(3):A145.
Palsgrove A, Schaefer M, Hareendran A, Houghton KF, Mocarski M, Carson R, Make B. The development of a patient-reported outcome instrument to evaluate nighttime symptoms of COPD. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 2011. Baltimore, MD. [abstract] Value Health. 2011 May; 14(3):A141-2. doi: 10.1016/j.jval.2011.02.788
Gilligan TM, Nelson L, Dalal AA, McLeod LD. Visually evaluating the measurement comparability between paper-based and alternate versions of administration of the lung function questionnaire. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 25, 2011. [abstract] Value Health. 2011 May; 14(3):A153.